* {
    padding: 0;
    margin: 0;
    list-style: none;
}

hr {
    margin: 20px 0px;
    display: block;
}

body {
    background-color: #f4f4f4;
    font-size: 14px;
    color: #666;
}

ul {
    list-style: none;
}

.header {
    width: 1190px;
    height: 200px;
    background-color: orange;
    margin: 0 auto 10px;
}

.nav {
    width: 100%;
    height: 60px;
    background-color: #abcdef;
}

.banner1 {
    width: 1190px;
    margin: 0px auto;
}

.menu {
    position: relative;
    z-index: 3;
}

.menu ul {
    overflow: hidden;
    padding: 10px 0;
    height: 450px;
    background-color: #fefefe;
    color: #636363;
    margin-top: 10px;
    width: 190px;
}

.menu ul li {
    height: 25px;
    line-height: 25px;
    padding-left: 18px;
}

.menu ul li.active {
    background-color: #d9d9d9;
}

.menu li a {
    font-size: 14px;
    color: #333;
    text-decoration: none;
}

.menu li span {
    padding: 0 2px;
    font-size: 12px;
}

.cartlist {
    position: absolute;
    left: 191px;
    top: 0;
    width: 998px;
    min-height: 468px;
    border: 1px solid #f7f7f7;
    background-color: #fff;
    box-shadow: 2px 0 5px rgba(0, 0, 0, .3);
    display: none;
    transition: top 0.3s ease;
}

.item {
    padding: 20px;
    display: none;
}


/* tab选项卡 */

.tab_title {
    width: 306px;
    height: 28px;
}

.tab_title ul li {
    float: left;
    width: 100px;
    height: 26px;
    line-height: 26px;
    border: 1px solid #ccc;
    text-align: center;
    cursor: pointer;
}

.tab_content .item {
    width: 304px;
    height: 200px;
    border: 1px solid #ccc;
    display: none;
}

.tab_content .show {
    display: block;
}

.active {
    background-color: red;
}


/* 轮播图 */

.banner {
    width: 790px;
    height: 340px;
    position: relative;
    border: 1px solid orange;
}

.banner ul li {
    position: absolute;
    left: 0px;
    top: 0px;
    opacity: 0;
}

.banner ul li.show {
    opacity: 1;
}

.banner ol {
    position: absolute;
    width: 180px;
    height: 20px;
    left: 20px;
    bottom: 20px;
}

.banner ol li {
    float: left;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #000;
    margin: 0 5px;
    text-indent: -99999px;
    cursor: pointer;
}

.banner ol li.active {
    background: blue;
}

#right,
#left {
    font-size: 100px;
    color: #fff;
    font-family: verdana;
    position: absolute;
    text-decoration: none;
    top: 110px;
}

#left {
    left: 20px;
}

#right {
    right: 20px;
}

#right:hover,
#left:hover {
    color: #000;
}


/* 幻灯片效果 */

.taobao {
    width: 790px;
    height: 340px;
    position: relative;
    border: 1px solid orange;
    overflow: hidden;
}

.taobao ul {
    position: absolute;
    left: 0px;
    top: 0px;
}

.taobao ul li {
    width: 790px;
    height: 340px;
    float: left;
}

.taobao ol {
    position: absolute;
    width: 180px;
    height: 20px;
    left: 20px;
    bottom: 20px;
}

.taobao ol li {
    float: left;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #000;
    margin: 0 5px;
    text-indent: -99999px;
    cursor: pointer;
}

.taobao ol li.active {
    background: blue;
}

#rightarrow,
#leftarrow {
    font-size: 100px;
    color: #fff;
    font-family: verdana;
    position: absolute;
    text-decoration: none;
    top: 110px;
    display: none;
}

#leftarrow {
    left: 20px;
}

#rightarrow {
    right: 20px;
}

#rightarrow:hover,
#leftarrow:hover {
    color: #000;
}